// out: ./
.box {
    width: 20px;
    height: 30 + 6rem;
    background-color: red;

    div {
        background-color: blue;

        p {
            background-color: orange;

            a {
                color: gold;

                &:hover {
                    color: red;
                }
                &::after {
                    content: '';
                }
            }
        }
    }
}
